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 Multiple Choice QuestionsMultiple Choice Questions

61.

In mitotic cell division, the division of centromere and the division of chromatid occurs between

  • anaphase and telophase

  • prophase and metaphase

  • telophase and interphase

  • anaphase and metaphase


62.

Spindle chromosomes have

  • centriole

  • kinetochore

  • chromocentre

  • chromomere


63.

In mitosis the duplication of chromosomes occurs during

  • early prophase

  • late prophase

  • interphase

  • late telophase


64.

Bivalents in meiosis are

  • tetrad

  • pairs of non-homologous chromosomes

  • pairs of several chromatids

  • pairs of homologous chromosomes


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65.

In which stage of the first meiotic division, each chromosome undergoes longitudinal division to give rise to two sister chromatids ? 

  • Zygotene

  • Diplotene

  • Diakinesis

  • Pachytene


D.

Pachytene

Pachytene is a stage of first meiotic division in which the chromosomes appear further thickened due to coiling and divides longitudinally into two sister chromatids.


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66.

Which of the following sequence is a correct one for meiotic cell cycle?

  • GS G M G1

  • G1 G2 G2

  • G2 G1 G2

  • G1 G2 S


67.

Chromosomes replicate in which stage of meiosis?

  • Prophase- I

  • Prophase- II

  • Telophase- I

  • Interphase


68.

In which stage of cell division chromosomes are most condensed

  • Prophase

  • Metaphase

  • Anaphase

  • Telophase


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69.

Which phase comes in between the G1 and G2 phases of cell cycle?

  • M - phase

  • G- phase

  • S - phase

  • Interphase


70.

Cell division cannot be stopped in which phase of the cell cycle?

  • G1- phase

  • G2- phase

  • S- phase

  • Prophase


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